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Pie
3 years ago
15

What is the value of the expression below when x=10x=10 and y=4y=4? 8x-7y 8x−7y

Mathematics
1 answer:
saveliy_v [14]3 years ago
7 0

Answer:

Step-by-step explanation:

8(10) - 7(4)

8X10 - 7X4

80 - 28

52

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Which statement is true regarding the graphed functions?
Vladimir79 [104]

let's analyze each case to determine the solution

<u>case 1)</u> f(0) = 2 and g(–2) = 0

For x=0-----> find the value of f(0) in the graph-----> f(0)=4

For x=-2-----> find the value of g(-2) in the graph-----> g(-2)=0

therefore

the statement of the case 1) is false

<u>case 2)</u> f(0) = 4 and g(–2) = 4

For x=0-----> find the value of f(0) in the graph-----> f(0)=4

For x=-2-----> find the value of g(-2) in the graph-----> g(-2)=0

therefore

the statement of the case 2) is false

<u>case 3)</u> f(2) = 0 and g(–2) = 0

For x=2-----> find the value of f(2) in the graph-----> f(2)=0

For x=-2-----> find the value of g(-2) in the graph-----> g(-2)=0

therefore

the statement of the case 3) is true

<u>case 4)</u> f(–2) = 0 and g(–2) = 0

For x=-2-----> find the value of f(-2) in the graph-----> f(-2) is greater than 12

For x=-2-----> find the value of g(-2) in the graph-----> g(-2)=0

therefore

the statement of the case 4) is false

therefore

<u>the answer is</u>

f(2) = 0 and g(–2) = 0-------> this statement is true


6 0
4 years ago
Read 2 more answers
A 21°<br> B 42°<br> C 639<br> D1260
schepotkina [342]
Awnswr: 21* because 7 x =y and y= 21
No dislikes
5 0
3 years ago
Read 2 more answers
Mrs. Peterson buys some eggs. She uses i of them to make a cake and 6 of the
Dominik [7]

Answer:17

Step-by-step explanation:

4 0
3 years ago
LAST ONE FOR TODAY PLEASE HELP! picture below
Hunter-Best [27]

Answer:

I know for a fact that x is 4.3 so that means 4.2 is less than x and 4.4 is greater than x

here are the steps whether you like it or not

step:1    4.1^2+1.3^2=18.5

step:2   √18.5=4.3

5 0
3 years ago
Beef,potatoes and onions are mixed in a recipe in the ratio 5:3:2 by mass. If Mrs. Maree follows the recipe and uses 350g of bee
rewona [7]
B : P: O
5:  3:  2

5 is equivalent 350g
3 would be equivalent to \frac{3}{5}*350
=210g of potatoes

Like wise for onions;
5 is equivalent to 350g
2 would be equivalent to \frac{2}{5}
=140 g of onions
8 0
4 years ago
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